Behavioral and physiological responses to subgroup size and number of people in howler monkeys inhabiting a forest fragment used for nature-based tourism

1. Aguilar-Melo, A.R.
2. Andresen, E.
3. Cristóbal-Azkarate, J.
4. Arroyo-Rodríguez, V.
5. Chavira, R.
6. Schondube, J.
7. Serio-Silva, J.C.
8. Cuarón, A.D.